Tom Clancy’s Rainbow Six 3: Raven Shield is a computer game developed and published by Ubisoft and released on March 18, 2003. The Rainbow Six video game series is based on Tom Clancy’s best-selling novel of the same name.Based on the Unreal Engine 2.0, Raven Shield is a tactical shooter with realistic properties. Raven Shield moved toward mainstream first-person shooters like Counter-Strike, adapting various features absent in previous versions. These included the ability to see one’s weapon while in first-person view, many new weapons and upgrades (including larger magazines and sights), and a redesigned multiplayer.